Comparison

symlex vs KK Dialer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

symlex

Make affordable voice calls worldwide with exceptional clarity. This app utilizes your iPhone contacts and offers features like a built-in tunnel to bypass VoIP blockades, ensuring connectivity through various networks. Track call costs, time, and status with ease.

Highlights
  • Worldwide voice calls
  • Crystal clear voice quality
  • Built-in tunnel for VoIP blockades
  • Uses iPhone contacts
  • Call cost and time logs
  • Peer-to-peer call support
Features
Read full description

Symlex Pro for iPhone let you make voice call worldwide with the finest voice quality.. App Benefits: •Works from all over the world •Uses iPhone contacts •Crystal Clear Quality •Satisfaction guaranteed! With this application, user can make cheap VOIP calls. Main features: • Making VoIP calls • Built-in tunnel for passing through VoIP blockades • Connectivity through WIFI, 4G/3G,2G EDGE • Integrated contacts from the phone • Loudspeaker • Balance information • Call cost information • Time, call status logs • Peer to Peer call support How to Activate: 1. Go to App Store and download “Symlex Pro” on your iPhone 2. Launch Symlex Pro--> Enter Opcode, enter your user name and password. 3. Launch Symlex Pro and dial destination number using any of the Dial formats or directly from Contact list.

About

KK Dialer

Features
Read full description

KK Dialer is a mobile application for smartphones, offering VoIP Calls from data enabled mobile phones (2G/3G/4G or WiFi) to any landline or mobile devices around the world. Features: *VoIP Calls via Wi-Fi, 2G / 3G / 4G. *Works in all Countries and all Networks across firewalls. *Smooth voice quality *Echo cancellation *Uses very less bandwidth.

Screenshots

symlex3 screens
KK Dialer3 screens

Verdict

The call

The clearest difference is ads: KK Dialer at none against symlex's shown. symlex's advantage is update cadence (every 6 weeks vs every 52 months) and iOS requirement (10.3 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

symlex ships an update every 6 weeks, KK Dialer every 52 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 5 level
symlex versus KK Dialer: the parameters behind the verdict, then further details
ParametersymlexKK Dialer
PriceFreeFree
Positive reviews50.0% of reviews—
Update frequencyEvery 6 weeks — betterEvery 52 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.3 — better15.6
Further details — not scored
Size28 MB12 MB
Age rating4+4+
DeveloperSpirnytel Private LimitedKKGaming, Inc

In-app purchases

None

symlex

No in-app purchases

None

KK Dialer

No in-app purchases

Questions

Is symlex free?
symlex is free to download, with no in-app purchases.
Is KK Dialer free?
KK Dialer is free to download, with no in-app purchases.
Do symlex or KK Dialer have ads?
symlex shows ads; KK Dialer does not.
Which is updated more often, symlex or KK Dialer?
symlex ships an update every 6 weeks, and KK Dialer every 52 months. Most recently, symlex was updated on November 2, 2026 and KK Dialer on November 3, 2026.

Other comparisons